Change the following sentence into an imperative sentence:
Aspiring candidates for the aforesaid examination should submit their application much before the closing date and not wait till the last date.
1
Let the aspiring candidates for the aforesaid examination submit their application much before the closing date and not wait till the last date
2
Let aspiring candidates for the aforesaid examination to submit their application much before the closing date and not wait till the last date
3
Let aspiring candidates for the aforesaid examination to submit their application much before the closing date and not to wait till the last date
4
none of these